[PATCH] or1ksim: Console: implement uart_read_polled

[Joel Sherrill]

Sorry. This is now committed.

Anything else besides the task stack initialization patch?

--joel
On 9/29/2014 12:57 AM, Hesham Moustafa wrote:
> Hi,
>
> This patch is needed for capture, pppd and any other tests that prompt
> users to input data interactively. 
>
> Regards,
> Hesham
>
> On Fri, Sep 19, 2014 at 9:20 PM, Hesham ALMatary
> <heshamelmatary at gmail.com <mailto:heshamelmatary at gmail.com>> wrote:
>
>     Implement uart_read_polled which is needed for any application that
>     reads input from users. It works fine with pppd, capture, and all
>     termios tests.
>     ---
>      c/src/lib/libbsp/or1k/or1ksim/console/uart.c | 13 +++++++++++--
>      1 file changed, 11 insertions(+), 2 deletions(-)
>
>     diff --git a/c/src/lib/libbsp/or1k/or1ksim/console/uart.c
>     b/c/src/lib/libbsp/or1k/or1ksim/console/uart.c
>     index f1cfa09..c0ee618 100644
>     --- a/c/src/lib/libbsp/or1k/or1ksim/console/uart.c
>     +++ b/c/src/lib/libbsp/or1k/or1ksim/console/uart.c
>     @@ -86,9 +86,18 @@ static int uart_last_close(int major, int
>     minor, void *arg)
>        return 0;
>      }
>
>     -static int uart_read_polled(int minor)
>     +static char uart_read_polled(int minor)
>      {
>     -   return -1;
>     +  unsigned char lsr;
>     +  char c;
>     +
>     + /* Get a character when avaiable */
>     +  do {
>     +       lsr = OR1KSIM_REG(OR1KSIM_BSP_UART_REG_LINE_STATUS);
>     +  } while ((lsr & OR1KSIM_BSP_UART_REG_LINE_STATUS_DR)
>     +           != OR1KSIM_BSP_UART_REG_LINE_STATUS_DR);
>     +
>     +  return OR1KSIM_REG(OR1KSIM_BSP_UART_REG_RX);
>      }
>
>      static void uart_write_polled(int minor, char c)
>     --
>     1.9.3
>
>

-- 
Joel Sherrill, Ph.D.             Director of Research & Development
joel.sherrill at OARcorp.com        On-Line Applications Research
Ask me about RTEMS: a free RTOS  Huntsville AL 35805
Support Available                (256) 722-9985

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